Home / 16,870,658.40-25,308,061.20-5,508,021.60

Finding the Fourth Proportional to 16,870,658.40, 25,308,061.20 and 5,508,021.60

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Solution

The fourth proportional to 16,870,658.40, 25,308,061.20 and 5,508,021.60 is: 8,262,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870,658.40 : 25,308,061.20 = 5,508,021.60 : x
  2. Step 2: Convert to fraction form
    16,870,658.40/25,308,061.20 = 5,508,021.60/x
  3. Step 3: Cross multiply
    16,870,658.40x = 25,308,061.20 × 5,508,021.60
  4. Step 4: Simplify right side
    16,870,658.40x = 139,397,347,743,721.91
  5. Step 5: Solve for x
    x = 139,397,347,743,721.91/16,870,658.40
  6. Step 6: Final answer
    x = 8,262,709.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.